Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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Perpendicular Exchange Bias and Thermal Stability of [Pd/Co]N/FeMn Films

  • Joo, H.W. (Department of Physics, Dankook University) ;
  • Kim, S.W. (Department of Physics, Dankook University) ;
  • An, J.H. (Department of Physics, Dankook University) ;
  • Choi, J.H. (Department of Physics, Dankook University) ;
  • Lee, M.S. (Department of Physics, Dankook University) ;
  • Lee, K.A. (Department of Physics, Dankook University) ;
  • Hwang, D.G. (Department of Computer and Electronic Physics, Sangji University) ;
  • Lee, S.S. (Department of Computer and Electronic Physics, Sangji University)
  • Published : 2005.03.01
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Abstract

Perpendicular magnetization curves and crystal textures of $[Pd(0.8 nm)/Co(0.8 nm)]_5/FeMn$ multilayers having an exchange-biased perpendicular magnetic anisotropy as a function of FeMn thickness and annealing temperature were measured. As FeMn thickness increases from 0 to 21 nm, the perpendicular exchange biasing field ($H_{ex}$) obtained the maximum value of 130 Oe at FeMn thickness 12 nm. As the annealing temperature increases to $240^{\circ}C$, the Hex increased from 115 Oe to 190 Oe and the exchange-biased perpendicular magnetic anisotropy disappeared at $330^{\circ}C$.

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References

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